Frame "Arca" (model 6108) STL model of the original shape in the form of a rounded arch with symmetrical patterns around the perimeter. The thematic selection of STL models for artistic compositions and the creation of visual accents for the stylization of space. All models in STL format compatible with ARTCAM, for the MACH3 code, for NC Studio, 3D for CNC wood mills and plastic. The models are designed for use both on CNC for home use and on industrial CNC machines.